Perhaps you should try some spelling variations:
trien thuat » thien thuat, trien hoat, chien thuat
van trien » van tien, va trien, van tren
dinh nang » dinh lang, dinh rang, dinh dang
nang quan » ban quan, nang suat
kiem soat » kiem toan
kinh qua » sinh qua, sinh quan, tinh quan
quan van » luan van, quan va, quan luan
van kiem » va kiem, van kien, van hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( kinh qua quan van trien thuat ) or ( dinh nang quan van kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( kinh qua quan van trien thuat ) OR ( dinh nang quan van kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( kinh qua quan van trien thuat ) or ( dinh nang quan van kiem soat ))*.